| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never/It is not necessary | 248 |
20.8%
|
| 1 | At least once a year | 227 |
19.1%
|
| 2 | At least once a month | 430 |
36.1%
|
| 3 | At least weekly | 148 |
12.4%
|
| 4 | Should stay here all of the time | 49 |
4.1%
|
| 9 | Don't know | 88 |
7.4%
|